Home / 8,545.10-11,789.08-5,007.02

Finding the Fourth Proportional to 8,545.10, 11,789.08 and 5,007.02

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Solution

The fourth proportional to 8,545.10, 11,789.08 and 5,007.02 is: 6,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.10 : 11,789.08 = 5,007.02 : x
  2. Step 2: Convert to fraction form
    8,545.10/11,789.08 = 5,007.02/x
  3. Step 3: Cross multiply
    8,545.10x = 11,789.08 × 5,007.02
  4. Step 4: Simplify right side
    8,545.10x = 59,028,087.88
  5. Step 5: Solve for x
    x = 59,028,087.88/8,545.10
  6. Step 6: Final answer
    x = 6,907.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.